| Answer | Crossword Clue |
|---|---|
| erbia | erbium oxide |
| erbias | ERBIA, erbium oxide |
| er | erbium |
| RAREEARTH | Erbium or terbium |
| RAREEARTH | Erbium, e.g. |
| METAL | Erbium or cobalt |
| ELEMENT | Erbium or terbium |
| RARE | Like terbium or erbium |
| RARE | Like erbium or terbium |
| erbiums | ERBIUM, a metallic element |
| RAREEARTHMETALS | Cerium and erbium, e.g. |
| RAREEARTHMETALS | Erbium, terbium and the like |
